Diamonds come in a variety of colors including green, yellow, blue, gray and more. These colors are called “fancies.” The rarest one is red. ¹⁾

Rocks can be divided into three categories depending on where they were created: sedimentary, igneous and metamorphic. Sedimentary includes rocks like lime, while igneous includes granite and metamorphic includes marble. ²⁾

Sometimes bolts of lightning can strike the beach. If it is a sandy beach, the heat of the lightning can melt the sand and create fulgurite, a glassy rock. ³⁾